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2013, Number 1

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Cir Cir 2013; 81 (1)

Viability of the parietal bone autografts preserved in adipose tissue. Preliminary report of an experimental study in rats

Verduzco-Mendoza A, Leybón-Ibarra J, Licona-Bonilla J, Alfaro-Rodríguez A, Arch-Tirado E

Language: Spanish
References: 40
Page: 33-40
PDF size: 273.69 Kb.


ABSTRACT

Introduction: Decompressive craniectomy is an alternative in cases where there is increased intracranial pressure. Bone autografts are accepted as a method of reconstruction of the skull. The aim of this paper is to describe the macroscopic and radiological findings of autologous parietal bone in rats after storage in adipose tissue as a reservoir.
Methods: We used 20 Wistar rats which underwent a craniectomy. 4 groups were formed: group I, the bone flap fat remained for 14 days, group II, the flap remained for 21 days, in group III, for 28 days and in group IV for 35 days. They were euthanized 70 days after reattached.
Results: When removing the flap of subcutaneous fat, a high bright whitish microvasculature and presence in 11 of the flaps. Following 70 days of re-injertarse was found that 56.25% of the animals presented terraced edges, reflecting some consolidation in the radiological analysis 31.25% of cases showed areas of consolidation. Animals in group II and III findings showed more consolidation.
Conclusions: The bone flap remained viable during their stay in adipose tissue. Fibrous tissue and neovasculature were important findings that reflect the proper process of bone healing. You need the histological studies complemented biomechanics, neurological and bioacoustics.



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